阅读说明：本技术 冲击取芯钻机桅杆伸缩总成系统 (Mast telescopic assembly system of percussion coring drilling machine ) 是由 杜宇本 汪国信 蒋良文 刘泽军 张雄文 侯锦 林�建 张雨露 姚毅立 张广泽 王 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种冲击取芯钻机桅杆伸缩总成系统,包括大臂桅杆,设置在大臂桅杆的一端顶部的铰接座,一端与铰接座铰接、且与大臂桅杆平行布设的伸缩油缸,与伸缩油缸的另一端套设连接、且与伸缩油缸匹配的伸缩桅杆,设置在伸缩桅杆的底部边缘的滑板,以及设置在大臂桅杆的另一端顶部、且与滑板滑动匹配的伸缩桅杆压块。通过上述方案,本发明具有结构简单、伸缩可靠、使用寿命长等优点,在铁路工程勘查技术领域具有很高的实用价值和推广价值。(The invention discloses a mast telescopic assembly system of a percussion coring drilling machine, which comprises a large-arm mast, a hinged seat arranged at the top of one end of the large-arm mast, a telescopic oil cylinder, a telescopic mast, a sliding plate and a telescopic mast pressing block, wherein one end of the telescopic mast is hinged with the hinged seat and is arranged in parallel with the large-arm mast, the telescopic mast is sleeved and connected with the other end of the telescopic oil cylinder and is matched with the telescopic oil cylinder, the sliding plate is arranged at the edge of the bottom of the telescopic mast, and the telescopic mast pressing block is arranged at the top of the other end of the large-arm mast and. Through the scheme, the telescopic rail has the advantages of simple structure, reliable telescopic performance, long service life and the like, and has high practical value and popularization value in the technical field of railway engineering exploration.)

1. Strike flexible assembly system of core drill mast, a serial communication port, including big arm mast (1), set up articulated seat (8) at the one end top of big arm mast (1), one end is articulated with articulated seat (8), and with flexible hydro-cylinder (2) that big arm mast (1) parallel was laid, establish with the other pot head of flexible hydro-cylinder (2) and be connected, and flexible mast (3) that match with flexible hydro-cylinder (2), set up slide (5) at the bottom edge of flexible mast (3), and set up at the other end top of big arm mast (1), and slide flexible mast briquetting (4) of matcing with slide (5).

2. The percussion coring drill mast telescopic assembly system according to claim 1, further comprising two telescopic mast bottom blocks (9) provided at a bottom edge of the telescopic mast (3) and extending to both sides of the telescopic mast (3), and two boom mast top blocks (7) provided at a top edge of the boom mast (1) and extending to both sides of the boom mast (1);

threaded holes matched with each other are formed in the telescopic mast pressing block (4), the sliding plate (5) and the large arm mast ejecting block (7), and fixing bolts (6) used for fixing the telescopic mast pressing block (4) and the sliding plate (5) on the large arm mast ejecting block (7) are arranged in the threaded holes.

3. The percussion coring drill mast telescopic assembly system according to claim 2, wherein the two telescopic mast bottom blocks (9) have a cross-sectional width greater than the width of the telescopic mast (3), and the sum of the cross-sectional width of the two telescopic mast bottom blocks (9) and the cross-sectional width of the two telescopic mast pressure blocks (4) is equal to the cross-sectional width of the two boom mast top blocks (7).

4. Percussion coring drill mast telescopic assembly system according to claim 1 or 2 or 3, characterized in that the sliding plate (5) is of tin bronze.

Technical Field

The invention relates to the technical field of railway engineering investigation, in particular to a mast telescopic assembly system of an impact coring drilling machine.

Background

The railway tunnel engineering occupies a very important proportion in railway construction, is a controlled engineering in the railway construction engineering, not only directly influences the smooth operation of the whole engineering, but also directly relates to the investment and the progress of the whole railway engineering in the safety construction of the railway tunnel engineering, and in order to ensure the construction safety of the railway tunnel engineering, the system anchor rod is designed for the tunnel to reinforce the surrounding rock, so that the stability of the tunnel wall is ensured.

The advanced geological forecast is to forecast the surrounding rock and stratum conditions in front of the tunnel face (for example, forecast whether a fault, a broken zone, a karst cave and other unfavorable geological structures exist in front of the tunnel) during tunnel excavation. There are many geophysical prospecting methods commonly used for advance geological prediction, and mechanical drilling is a main advance geological prediction method. Mechanical drilling is to drill at a plurality of parts of a tunnel section by using an advanced geological drill rod, and the property of the surrounding rock in front is judged according to the geotechnical structure, structure and hydrogeology in the drill rod. In practice, when mechanical drilling is performed, generally, three position points of a tunnel section are taken, the three positions of the middle upper part, the left side and the right side of the tunnel section are respectively taken, the drilled surrounding rocks are comprehensively contrasted and analyzed, and then the surrounding rock conditions are recorded according to one section per two meters.

In the anchor rod construction of a railway tunnel system, due to the fact that tunnel hole diameters are different, and due to the fact that when anchor rod construction of the system is conducted through tunnel side walls and tunnel top arches, the heights of anchor rod drilling holes are different, and the anchor rod drilling machine has great limitation for crawler-type anchor rod drilling machines with masts of fixed lengths.

Therefore, a mast telescopic assembly structure device is urgently needed to be provided to adjust the length of the mast of the crawler-type jumbolter so as to adapt to drilling construction of anchor rod holes with different elevations.

Disclosure of Invention

Aiming at the problems, the invention aims to provide a mast telescopic assembly system of a percussion coring drilling machine, and the technical scheme adopted by the invention is as follows:

the telescopic mast assembly system of the percussion coring drilling machine comprises a large-arm mast, a hinged seat arranged at the top of one end of the large-arm mast, a telescopic oil cylinder, a telescopic mast, a sliding plate and a telescopic mast pressing block, wherein one end of the telescopic oil cylinder is hinged to the hinged seat and is arranged in parallel with the large-arm mast, the telescopic mast is connected with the other end of the telescopic oil cylinder in a sleeved mode and is matched with the telescopic oil cylinder, the sliding plate is arranged at the edge of the bottom of the telescopic mast, and the telescopic mast pressing block is arranged at the top of the other end of the large.

Furthermore, the drill mast retracting device also comprises two telescopic mast bottom blocks which are arranged at the bottom edge of the telescopic mast and extend towards two side edges of the telescopic mast, and two boom mast top blocks which are arranged at the top edge of the boom mast and extend towards two side edges of the boom mast;

threaded holes matched with each other are formed in the telescopic mast pressing block, the sliding plate and the large arm mast ejecting block, and fixing bolts used for fixing the telescopic mast pressing block and the sliding plate on the large arm mast ejecting block are arranged in the threaded holes.

Furthermore, the width of the cross section of the two telescopic mast bottom blocks is larger than that of the telescopic mast, and the sum of the width of the cross section of the two telescopic mast bottom blocks and the width of the cross section of the two telescopic mast pressing blocks is equal to that of the cross section of the two boom mast top blocks.

Preferably, the sliding plate is made of tin bronze.

Compared with the prior art, the invention has the following beneficial effects:

(1) the sliding plate is ingeniously arranged between the large arm mast and the telescopic mast and is fixed on the large arm mast through the bolt, so that the iron-iron friction between the large arm mast and the telescopic mast is reduced, and the service life of the mast is greatly prolonged;

(2) according to the invention, the piston rod of the telescopic mast is stretched by supplying hydraulic oil to the telescopic oil cylinder, so that the telescopic mast is driven to stretch, and the compensation function of the hole position of the drilling hole is realized.

In conclusion, the telescopic device has the advantages of simple structure, reliable telescopic performance, long service life and the like, and has high practical value and popularization value in the technical field of railway engineering exploration.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of protection, and it is obvious for those skilled in the art that other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic structural view (extended state) of the present invention.

Fig. 2 is a schematic structural view (contracted state) of the present invention.

Fig. 3 is a view a-a of fig. 2.

FIG. 4 is a top view of the installation of the boom mast and telescoping mast press block of the present invention.

FIG. 5 is a schematic view of the structure of the boom mast of the present invention.

FIG. 6 is a schematic cross-sectional view of a large arm mast of the present invention.

Fig. 7 is a schematic structural view of the telescopic mast of the present invention.

Figure 8 is a schematic cross-sectional view of a telescoping mast of the present invention.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

the device comprises a large-arm mast 1, a telescopic oil cylinder 2, a telescopic mast 3, a telescopic mast pressing block 4, a sliding plate 5, a fixing bolt 6, a large-arm mast top block 7, a hinge base 8 and a telescopic mast bottom block 9.

Detailed Description

To further clarify the objects, technical solutions and advantages of the present application, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.